Home / 723,654.27-997,989.42-451,747.40

Finding the Fourth Proportional to 723,654.27, 997,989.42 and 451,747.40

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Solution

The fourth proportional to 723,654.27, 997,989.42 and 451,747.40 is: 623,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,654.27 : 997,989.42 = 451,747.40 : x
  2. Step 2: Convert to fraction form
    723,654.27/997,989.42 = 451,747.40/x
  3. Step 3: Cross multiply
    723,654.27x = 997,989.42 × 451,747.40
  4. Step 4: Simplify right side
    723,654.27x = 450,839,122,770.97
  5. Step 5: Solve for x
    x = 450,839,122,770.97/723,654.27
  6. Step 6: Final answer
    x = 623,003.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.